One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,7,8)(17,18,23,21)(19,27,29,24)(20,30,31,25)(22,26,32,28)(1,3,4,7)(2,5,6,8)(9,10)(11,12)(13,15)(14,16)(17,19)(18,24)(20,28)(21,27)(22,25)(23,29)(26,31)(30,32)(1,2)(3,5)(4,6)(7,8)(9,11)(10,14)(12,15)(13,16)(17,18,23,21)(19,24,29,27)(20,25,31,30)(22,26,32,28)(9,12,13,14)(10,11,15,16)(17,20)(18,25)(19,28)(21,30)(22,24)(23,31)(26,29)(27,32)(1,3)(2,5)(4,7)(6,8)(9,11)(10,12)(13,16)(14,15)(17,21,23,18)(19,27,29,24)(20,25,31,30)(22,26,32,28)(1,2)(3,5)(4,6)(7,8)(9,10)(11,14)(12,16)(13,15)(17,22)(18,26)(19,25)(20,27)(21,28)(23,32)(24,31)(29,30) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.